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Table 3 Concurrent validity of the VFR against a WFR for daily energy and nutrient intake, n = 35

From: Reliability and validity of assessing energy and nutrient intake with the Vienna food record: a cross-over randomised study

  VFRa mean (SD) WFRb mean (SD) Mean diff. (%) pc Pearson’s r pd
Energy (kcal) 2197 (490) 2119 (472) 77.5 (4) 0.165 0.78 < 0.001
Total fat (g) 91.0 (27.4) 86.7 (20.1) 4.3 (5) 0.234 0.66 < 0.001
SFA (g) 35.8 (11.8) 36.2 (9.3) −0.4 (−1) 0.831 0.55 0.001
MUFA (g) 33.0 (12.0) 28.9 (7.2) 4.0 (12) 0.015 0.62 < 0.001
PUFA (g) 16.2 (7.0) 16.3 (5.6) −0.1 (−1) 0.966 0.42 0.011
Cholesterol (mg) 364 (149) 371 (150) −7.2 (− 2) 0.829 0.15 0.401
Protein (g) 87.2 (26.6) 86.5 (27.4) 0.7 (1) 0.811 0.80 < 0.001
Carbohydrates (g) 241 (50.9) 230.1 (58.8) 10.7 (4) 0.154 0.70 < 0.001
Fibres (g) 24.7 (9.0) 22.7 (9.4) 2.0 (8) 0.143 0.63 < 0.001
Total sugars (g) 85.3 (31.2) 90.8 (29.5) −5.5 (−6) 0.180 0.70 < 0.001
Alcohol (g) 6.9 (8.8) 7.5 (9.6) −0.6 (−9) 0.722 0.47 0.004
Calcium (mg) 1036 (400) 1052 (466) −16.4 (−2) 0.759 0.75 < 0.001
Chloride (mg) 5733 (1907) 5316 (1604) 416.4 (7) 0.133 0.60 < 0.001
Iron (mg) 15.3 (6.9) 15.4 (6.9) −0.1 (−1) 0.854 0.79 < 0.001
Iodine (μg) 112.6 (44.1) 108 (46.9) 4.6 (4) 0.535 0.55 0.001
Magnesium (mg) 418 (149) 400 (132) 18.4 (4) 0.345 0.68 < 0.001
Phosphorus (mg) 1416 (459) 1464 (489) −48.0 (−3) 0.357 0.80 < 0.001
Potassium (mg) 3166 (802) 2989 (850) 176.4 (6) 0.100 0.72 < 0.001
Sodium (mg) 3386 (1200) 3141 (1062) 245.0 (7) 0.195 0.54 0.001
Zinc (mg) 12.2 (3.6) 11.7 (3.5) 0.5 (4) 0.213 0.76 < 0.001
Thiamine (mg) 1.3 (0.4) 1.3 (0.4) 0.0 (0) 0.485 0.65 < 0.001
Riboflavin (mg) 1.7 (0.6) 1.6 (0.5) 0.0 (0) 0.805 0.66 < 0.001
Niacin eq. (mg) 34.2 (10.3) 36.0 (12.7) −1.8 (−5) 0.236 0.71 < 0.001
Vit B5 (mg) 4.6 (1.5) 5.0 (1.7) −0.4 (−9) 0.107 0.67 < 0.001
Vit B6 (mg) 1.7 (0.7) 1.8 (0.8) −0.2 (−12) 0.085 0.76 < 0.001
Vit B7 (μg) 52.2 (25.6) 59.0 (37.3) −6.9 (−13) 0.235 0.48 0.004
Folic acid (μg) 289 (94.6) 312 (108) −23.5 (−8) 0.136 0.61 < 0.001
Vit B12 (μg) 6.5 (7.4) 4.7 (2.2) 1.8 (28) 0.127 0.40 0.017
Vit C (mg) 99.5 (52.2) 170 (191) −70.3 (−71) 0.023 0.43 0.010
Vit A - Carotene (μg) 7.6 (5.6) 5.2 (3.8) 2.5 (33) 0.021 0.22 0.200
Retinol eq. (μg) 1.7 (1.0) 1.4 (0.8) 0.3 (18) 0.130 0.30 0.082
Vit D (μg) 4.9 (8.9) 6.0 (8.8) −1.1 (−22) 0.349 0.68 < 0.001
Tocopherol eq. (mg) 15.3 (8.2) 15.5 (8.7) −0.2 (−1) 0.889 0.48 0.004
Vit K (μg) 222 (160) 158 (153) 64.0 (29) 0.004 0.69 < 0.001
Average    10%   0.60  
  1. aVienna Food Record (VFR), completed over 4 consecutive days including 1 weekend day
  2. bWeighed food record (WFR), completed over 4 consecutive days including 1 weekend day
  3. c2-sided p-value derived from paired t-test
  4. d2-sided p-value derived from Pearson’s correlation